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cendonm75 10 perguntas Atualizado em 19 fev 2016

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Perguntas do quiz (10)

  1. 1.
    The paraffinic series of hydrocarbon compounds can be either straight chain or branched chain carbon atoms. they are commonly referred to as alkanes.

    How are paraffins also called?

    1. Astraght chain
    2. Balkanes
    3. Cparaffinic
  2. 2The paraffinic series of hydrocarbon compounds can be either straight chain or branched chain carbon atoms. they are commonly referred to as alkanes.

    Which are the connectors?
    1. Aand, or
    2. Bcan, to as,
    3. Cand, either-or
  3. 3Aromatics are unsaturated ring type (cyclic) compounds which react readily because they have carbon atoms that are deficient in hydrogen.

    "which" refers to...
    1. Aunsaturated ring compounds
    2. Bcarbon atoms
    3. CAromatic compounds
  4. 4Aromatics are unsaturated ring type (cyclic) compounds which react readily because they have carbon atoms that are deficient in hydrogen.

    Acording to the paragraph, are aromatics unstabel?
    1. Ayes
    2. Bno
    3. Cno information
  5. 5The branch chain paraffins are saturated hydrocarbons, with all carbon bonds satisfied, [blank_start]that is[blank_end], the hydrocarbon chain carries the full complement of hydrogen atoms.
    1. Athat is
    2. Bin addition
    3. Calthough
  6. 6Research is currently being [blank_start]carried out[blank_end] in many laboratories to find alternatives to nonrenewable fuels.
    1. Acarried out
    2. Bdo
    3. Cdone over
  7. 7Biodisel contains no sulfur or nitrogen ompounds and [blank_start]hence[blank_end] they do not contribute to acid rain.
    1. Ahence
    2. Bsuch
    3. Chowever
  8. 8There have been many developmental issues related to these fuels; they solidify at low temperatures and [blank_start]break down[blank_end] at higher temperatures.
    1. Abreak down
    2. Bfall under
    3. Cbreak up
  9. 9The American University is [blank_start]currently[blank_end] working on improving biofuels.
    1. Acurrently
    2. Bactually
    3. Clast year
  10. 10Students should be [blank_start]encouraged[blank_end] to conduct several reactions varying amounts of catalyst to find the best ratio.
    1. Aencouraged
    2. Bdoing
    3. Cfind

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Criado em 28 jan 2016 · atualizado em 19 fev 2016
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